At the time of her death, Ray J released a statement which read: 'Over the past few days I've tried to process the emptiness that I am experiencing.
'What my heart feels cannot be expressed in words. The world lost an icon, but I lost my close friend. Nippy, I miss you so much!
'You were so happy and full
The 31-year-old singer was seen looking grief-stricken and distraught as he crouched down on the floor in the airport with his head in his hands.
Wearing an all-black outfit, Ray J looked deep in his own thoughts as he took some time to himself before heading home.
Grief-stricken: Ray J was seen looking devastated as he arrived back in Los Angeles following on-off lover Whitney Houston's funeral
Deep in thought: Wearing an all-black outfit, Ray J crouched down on the floor with his head in his hands in LAX
Sibling support: Ray J was earlier seen being supported by sister Brandy as the pair left New York's JFK airport